1 . 每年的6月5日是“世界环境日”。你校拟举办“禁止瓶装水”活动，假定你是学生会主席李华，请写一封劝说信，呼吁同学们少买瓶装水，爱护环境。信的内容包括：
1.塑料瓶对环境的危害
2.建议同学们少买瓶装水
3.号召大家参加活动
注意：1.词数80左右；
2.开头和结尾已写好，不计入总词数。
Dear Friends,

We are writing this letter to raise your awareness of protecting our planet. You can help simply by participating in the No Bottled Water campaign.

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Let's start now

Yours faithfully,

Li Hua